ZymeworksZYME
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 185 institutions reported holding Zymeworks Inc. (ZYME) in their 13F filings, up 12 from Q4 2024. 29 opened new positions and 17 sold out. The largest holders were EcoR1 Capital, LLC ($205.6M), Redmile Group, LLC ($57.0M) and Rubric Capital Management LP ($51.7M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Zymeworks Inc.
- CUSIP
- 98985Y108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 29 | $13.7M |
| Exits | 17 | $16.7M |
All 13F filers, Q4 2024 → Q1 2025: 9,307,016 shares bought and 5,232,906 shares sold, net +4,074,110 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 185 holders
| EcoR1 Capital, LLC | 12.23% | Add +14.8% | 17,259,548 | $205.6M |
| Redmile Group, LLC | 5.39% | Reduce -1.1% | 4,788,945 | $57.0M |
| Rubric Capital Management LP | 0.93% | Add +10.8% | 4,338,444 | $51.7M |
| BVF Inc. | 2.09% | No change | 4,308,935 | $51.3M |
| BlackRock, Inc. | 0.00% | Reduce -2.3% | 4,089,421 | $48.7M |
| Morgan Stanley | 0.00% | Reduce -3.0% | 4,073,463 | $48.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +184.2% | 3,879,945 | $46.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.07% | Add +2.8% | 2,197,879 | $26.2M |
| Perceptive Advisors LLC | 0.79% | Reduce -12.5% | 1,864,672 | $22.2M |
| Vanguard Group Inc. | 0.00% | Reduce -29.1% | 1,767,041 | $21.0M |
| Deutsche Bank AG | 0.01% | Add +0.4% | 1,552,612 | $18.5M |
| Blackstone Inc. | 0.07% | Add +142.7% | 1,382,587 | $16.5M |
| Nextech Invest Ltd. | 3.08% | — | 1,113,946 | $13.3M |
| Tang Capital Management LLC | 0.72% | No change | 1,100,000 | $13.1M |
| State Street Corp. | 0.00% | Add +0.0% | 1,085,133 | $12.9M |
| Dimensional Fund Advisors LP | 0.00% | Add +11.0% | 1,079,458 | $12.9M |
| Prosight Management, LP | 3.75% | Add +16.7% | 957,229 | $11.4M |
| Bridgeway Capital Management, LLC | 0.23% | Add +1.0% | 766,944 | $9.1M |
| Geode Capital Management, LLC | 0.00% | Add +2.2% | 705,035 | $8.4M |
| Samsara Biocapital, LLC | 1.42% | Reduce -33.3% | 666,667 | $7.9M |
| Vestal Point Capital, LP | 0.43% | Add +170.3% | 500,000 | $6.0M |
| Assenagon Asset Management S.A. | 0.01% | Reduce -22.9% | 495,067 | $5.9M |
| Renaissance Technologies | 0.01% | Add +57.7% | 450,600 | $5.4M |
| Granahan Investment Management, LLC | 0.24% | Reduce -0.9% | 407,589 | $4.9M |
| Farallon Capital Management, L.L.C. | 0.03% | Reduce -69.9% | 400,000 | $4.8M |
| Northern Trust Corp. | 0.00% | Reduce -2.0% | 386,923 | $4.6M |
| Jupiter Asset Management Ltd. | 0.04% | No change | 369,499 | $4.4M |
| Empowered Funds, LLC | 0.06% | Add +2.1% | 360,044 | $4.3M |
| Susquehanna International Group, LLP | 0.01% | Add +581.6% | 351,161 | $4.2M |
| Schroder Investment Management Group | 0.00% | Reduce -4.5% | 321,949 | $4.0M |
| Millennium Management | 0.00% | New | 295,606 | $3.5M |
| Silvercrest Asset Management Group LLC | 0.02% | Reduce -0.6% | 280,726 | $3.3M |
| Platinum Investment Management Ltd. | 0.19% | Reduce -9.1% | 278,658 | $3.3M |
| Walleye Capital LLC | 0.04% | Reduce -45.2% | 247,959 | $3.0M |
| Hillsdale Investment Management Inc. | 0.14% | Add +3.0% | 236,925 | $2.8M |
| Trexquant Investment LP | 0.03% | Add +116.5% | 220,809 | $2.6M |
| UBS Group AG | 0.00% | Add +28.4% | 214,300 | $2.6M |
| Picton Mahoney Asset Management | 0.09% | Add +0.7% | 208,029 | $2.5M |
| Norges Bank | 0.00% | No change | 201,700 | $2.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -20.0% | 200,047 | $2.4M |
| Nuveen, LLC | 0.00% | — | 198,812 | $2.4M |
| Tejara Capital Ltd | 1.11% | Add +391.5% | 189,409 | $2.3M |
| Wellington Management Group LLP | 0.00% | Reduce -16.8% | 182,246 | $2.2M |
| Federated Hermes, Inc. | 0.00% | Add +0.2% | 181,912 | $2.2M |
| Citadel Advisors | 0.00% | Add +209.6% | 180,670 | $2.2M |
| Opaleye Management Inc. | 0.48% | New | 175,000 | $2.1M |
| Kennedy Capital Management LLC | 0.04% | Reduce -2.6% | 136,319 | $1.6M |
| Jane Street Group, LLC | 0.00% | Add +487.0% | 135,763 | $1.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.8% | 133,639 | $1.6M |
| ExodusPoint Capital Management, LP | 0.02% | New | 133,320 | $1.6M |
| Bank of New York Mellon Corp | 0.00% | Add +0.0% | 120,727 | $1.4M |
| Raymond James Financial Inc. | 0.00% | Add +92.5% | 116,711 | $1.4M |
| Verition Fund Management LLC | 0.01% | Add +621.9% | 114,156 | $1.4M |
| Dark Forest Capital Management LP | 0.06% | New | 105,829 | $1.3M |
| Wells Fargo & Company | 0.00% | Reduce -38.9% | 100,309 | $1.2M |
| SG Americas Securities, LLC | 0.00% | Add +266.5% | 98,165 | $1.2M |
| North Growth Management Ltd. | 0.24% | No change | 97,000 | $1.2M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -27.3% | 96,329 | $1.1M |
| Voloridge Investment Management, LLC | 0.00% | Add +118.3% | 95,394 | $1.1M |
| Aquilo Capital Management, LLC | 2.71% | New | 84,482 | $1.0M |
| Rhumbline Advisers | 0.00% | Reduce -20.4% | 82,738 | $985K |
| Swiss National Bank | 0.00% | Reduce -11.2% | 80,100 | $954K |
| Invesco Ltd. | 0.00% | Add +12.7% | 78,206 | $931K |
| Barclays PLC | 0.00% | Reduce -65.8% | 75,430 | $898K |
| Credit Agricole S A | 0.00% | No change | 75,000 | $893K |
| Fisher Asset Management | 0.00% | Add +13.2% | 71,974 | $857K |
| Acuta Capital Partners, LLC | 0.95% | Add +1.8% | 68,459 | $815K |
| Stifel Financial Corp. | 0.00% | Add +4.2% | 67,030 | $798K |
| HRT Financial LP | 0.00% | Reduce -31.9% | 65,380 | $778K |
| Squarepoint Ops LLC | 0.00% | New | 63,602 | $758K |
| D. E. Shaw & Co. | 0.00% | Add +202.8% | 63,099 | $752K |
| Bank of America Corp. | 0.00% | Add +96.0% | 62,131 | $740K |
| Ritholtz Wealth Management | 0.02% | Reduce -18.8% | 60,494 | $720K |
| Royal Bank of Canada | 0.00% | Reduce -6.8% | 56,771 | $676K |
| Alliancebernstein L.P. | 0.00% | No change | 50,030 | $596K |
| ADAR1 Capital Management, LLC | 0.12% | New | 50,000 | $596K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -8.5% | 49,512 | $590K |
| AQR Capital Management | 0.00% | Add +86.0% | 48,485 | $577K |
| Legal & General Group Plc | 0.00% | Reduce -0.6% | 46,790 | $557K |
| Victory Capital Management Inc. | 0.00% | Reduce -14.2% | 44,270 | $527K |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.00% | — | 44,175 | $526K |
| California State Teachers Retirement System | 0.00% | No change | 43,783 | $521K |
| Prudential Financial Inc. | 0.00% | Add +116.5% | 42,570 | $507K |
| HighVista Strategies LLC | 0.19% | New | 41,607 | $496K |
| Citigroup Inc. | 0.00% | Reduce -50.5% | 41,198 | $491K |
| Intech Investment Management LLC | 0.00% | Add +18.9% | 40,263 | $480K |
| JPMorgan Chase & Co. | 0.00% | Reduce -65.7% | 38,409 | $457K |
| State of Wisconsin Investment Board | 0.00% | Reduce -42.1% | 37,824 | $450K |
| Commonwealth Equity Services, LLC | 0.00% | Add +21.6% | 37,642 | $448K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.9% | 33,309 | $397K |
| Tema ETFs LLC | 0.12% | New | 33,001 | $393K |
| NEOS Investment Management LLC | 0.01% | New | 33,001 | $393K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.6% | 32,385 | $386K |
| Franklin Resources Inc. | 0.00% | New | 32,160 | $383K |
| AlphaQuest LLC | 0.04% | Add +1028.1% | 31,676 | $377K |
| American Century Companies Inc. | 0.00% | Reduce -22.0% | 31,147 | $371K |
| Journey Strategic Wealth LLC | 0.01% | Add +0.1% | 28,941 | $345K |
| Massachusetts Financial Services Co. | 0.00% | Reduce -2.2% | 26,775 | $319K |
| Corebridge Financial, Inc. | 0.00% | Reduce -1.5% | 26,719 | $318K |
| Bank of Montreal | 0.00% | Reduce -0.1% | 25,912 | $309K |
"% of holder's portfolio" is ZYME's weight in each manager's 13F, not the share of Zymeworks Inc. the manager owns.